In a heavy saucepan,over medium-low heat, stir all ingredients constantly.Cook till mixture thickens enough to show bottom of pan while stirring.Pour into greased dish and cool to room temperature.Take small amount with a teaspoon and roll into ball shape.Roll in jimmies to garnish.Grease hands to prevent stickiness.If balls do not hold shape return to saucepan and cook additional 5 minutes.